Lake Mokeno

Lake Mokeno is 154.7 ha in size making it the largest Pouto lake. It has a maximum recorded depth of 6.5 m and is located near the West Coast. It is entirely surrounded by native scrub and wetlands, with pine forestry in its upper catchment. Water from this lake flows south through extensive wetlands until it reaches the Kaipara Harbour.

For further information relating to the lake's ecological status please refer to the Lakes Monitoring Reports on the Northland Regional Council website.

Lake Summary

Lake size

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Maximum depth

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Catchment size

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Scientific data for this lake

This dashboard shows information on the data collected by the regional councils for two lake water quality and ecological condition measurements. Lake SPI (Lake Submerged Plant Indicators) and TLI (Trophic Level):

Water Quality

Trophic Level Index (TLI)

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This measure is the Trophic Level Index (TLI). The TLI indicates the lifesupporting capacity of a lake and is based on four water quality indicators.

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Trophic Level Index (TLI) history for this lake

Trophic Level Indicator (TLI) which measures four parameters: water clarity, chlorophyll content, total phosphorus and total nitrogen. From these
parameters a TLI value is calculated. In cases where water clarity data is missing a three parameter TLI is calculated. The higher the value, the greater
the nutrients and fertility of the water which encourages growth, including algal blooms. As a rule, higher TLI scores mean poorer water quality.
View a factsheet on TLI

LakeSPI history for this lake

LakeSPI (Lake Submerged Plant Indicators) is a method of characterising the ecological condition of lakes based on the composition of native and
invasive plants growing in them. A higher LakeSPI percentage result is associated with better ecological health: